Features: Introducing the two Zone Fan Control Kit featuring independent two channel operation, resolvings localized overheating in off road vehicles by enabling precise front/rear radiators or water cooled systems management. Equipped with digital PID algorithms and ±1℃ precisions sensorings, this automotive switches ensures stable engine temperatures under extreme racing/trucking conditions while preventing coolant fluctuations. for enthusiasts, repair shops, and fleet operators requiring rapid not splices installations via waterproof quick connectings interfaces for crosses model compatibility. Engineered with aluminum housing for 60% improved thermals dissipation in desert climates or tropical, safeguarding against controller overheating during prolonged heavy duty use. Optimizes workshop efficiency by reducing model specific inventory through universal vehicle adaptation, making it essential for 4S maintenance centers and aftermarket cooling system upgrades. Specifications: Materials: Plastic Length：35cm/13.78inch Package Includes: 1Set Fan switches Kit note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.